What Is Rumored to Be Breaking Up Rihanna and Katy Perry's Friendship?

A new report claims that a certain someone is coming between Rihanna and Katy Perry.

http://www.wbir.com/video/1950908885001/1/What-Is-Rumored-to-Be-Breaking-Up-Rihanna-and-Katy-Perrys-Friendshiphttp://cdn.newslook.com/d2/d257d11dbcacb1673ba989c346213274/images/frame_0001.jpgWhat Is Rumored to Be Breaking Up Rihanna and Katy Perry's Friendship?A new report claims that a certain someone is coming between Rihanna and Katy Perry.newslookUnited States of AmericaKaty PerryentertainmentRihannaChris Brown01:08